wunder betaInventions & Engineering Classes for Teens
19 free inventions & engineering classes for teens (Ages 13–17) on Wunder — short, fact-checked courses and lessons with narration and a quiz. Filter by age — each link is its own page, not a JavaScript toggle.
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Calculating Dietary Energy
Discover how the energy in food is measured and learn to work it out from a nutrition label.
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Earth's Atmosphere and Carbon Dioxide
Discover what the air is really made of and how carbon dioxide helps keep our planet warm.
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How Natural Selection Works
Variation, a struggle to survive, differential survival, and heredity, the four ingredients of Darwin's big idea, and how they reshape a species over generations.
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Earth's Mass Extinctions
Five times in Earth's long history, life was nearly wiped out. Meet the Big Five mass extinctions, from the icy end-Ordovician to the asteroid that ended the dinosaurs, and see how the planet recovered each time.
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Roller Coasters: The Physics of Fun
The real physics behind the thrills: how the first hill stores energy, what g-forces do to your body, why loops are teardrops not circles, how launches work, and why coasters are engineered fear.
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How Weather Forecasting Works
How a modern forecast is built: from barometers and folklore to a global sensor network, supercomputers solving the atmosphere as equations, and the chaos that limits how far ahead we can ever see.
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Earth Science Essentials
How Earth works and how we know it — from the layers beneath our feet to drifting continents, the rock cycle, weather and climate, and the deep-time history written in stone.
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How Computers Work
How a machine that only knows on and off becomes a computer — binary, logic gates, the CPU cycle, memory, software, operating systems, the internet, and the real people and inventions that made it all happen.
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How Electric Cars Work
Batteries, motors, and clever electronics: what makes an EV go.
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Astronomy
From our solar system to distant galaxies, learn how the cosmos works.
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Social Media Smarts
Your feed is engineered. Learn to read it critically before it reads you.
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How AI Works
AI isn't magic and it isn't a robot brain. It's pattern-finding math, at massive scale.
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How Websites Work
Type a URL and a website appears in milliseconds. Here's the real machinery behind it.
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How Government Works
Three branches, checks and balances, and how a bill actually becomes law.
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The Industrial Revolution
How steam, machines, and factories rewired the modern world.
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The American Revolution
How thirteen colonies broke from an empire and invented a republic.
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Climate Change
How greenhouse gases warm the planet, and what the science really shows.
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The Cell
The smallest unit of life, and the busy machinery packed inside it.
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Pre-Algebra
Master the bridge from arithmetic to algebra: integers, order, and variables.
All Inventions & Engineering courses (topic hub)
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